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After deep searching of thousands and millions of articles and reviews by our smart AI & ML algorithms; and deep refining, breakdown and rectification by our experienced hi-tech gurus, the golden shortlist for the Best Memory Cards (2021) is ultimately prepared.

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In order to obtain the Best Memory Cards (2021), our smart platforms and gurus have taken many factors into account such as product usability, user-friendly features and give buyer satisfaction, freedom from deficiencies or defects, conformance of standards, value-for-money, robustness, quality of design, quality conformance to user requirements and guidlines, protection and safety, real customer satisfaction and many others. It is important to note that each user has different requirements so please use the below ranking as a guide and not as a gospel. In any case, in the below ranking you can certainly find the overall best ones despite your needs.

Our brilliant platforms and experienced high-technology gurus work hard to identify the best product options. We feel that our review evaluation can help you simplify your purchase decision and select among the absolute Best Memory Cards (2021).

Best Memory Cards

SaleBest Choice No. 1
SAMSUNG: EVO Select 128GB MicroSDXC UHS-I U3 100MB/s Full HD & 4K UHD Memory Card with Adapter (MB-ME128HA)
  • IDEAL FOR RECORDING 4K UHD VIDEO: Samsung microSD EVO Select is perfect for high res photos, gaming, music, tablets, laptops, action cameras, DSLR’s, drones, smartphones (Galaxy S20 5G, S20 5G, S20 Ultra 5G, S10, S10 , S10e, S9, S9 , Note9, S8, S8 , Note8, S7, S7 Edge, etc. ), Android devices and more
  • ULTRA FAST READ WRITE SPEEDS: Up to 100MB S Read and 60MB S Write Speeds; UHS Speed Class U3 and Speed Class 10 (Performance May Vary Based on Host Device, Interface, Usage Conditions, and Other Factors)
  • BUILT TO LAST RELIABILITY: Memory Card Is Also Water Proof, Temperature Proof, X Ray Proof and Magnetic Proof
  • EXTENDED COMPATIBILITY: Includes Full Size Adapter for Use in Cameras, Laptops and Desktop Computers. Operating Voltage-2.7~3.6V
  • 10 YEAR LIMITED WARRANTY: 10 Year Limited Does Not Extend to Dashcam , CCTV, Surveillance Camera and Other Write Intensive Uses
Best Choice No. 2
25 Pack Transcend TS16GSDHC10 25 x 16GB SDHC Class 10 Flash Memory Card
  • 25 x 16GB Class 10 Ultra High Speed SDHC Memory Card class 10
  • Brand Name: Transcend
  • Model: TS16GSDHC10E
  • Memory Storage Capacity: 25 X 16GB
  • Bulk Memory: 25 Pack Of 25GB
SaleBest Choice No. 3
SanDisk 128GB Ultra MicroSDXC UHS-I Memory Card with Adapter – 120MB/s, C10, U1, Full HD, A1, Micro SD Card – SDSQUA4-128G-GN6MA
  • Ideal for Android smartphones and tablets, and MIL cameras. Operating Temperature- (-13°F ) to 185°F (-25°C to 85°C)
  • Up to 128GB to store even more hours of Full HD video (2). 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less. (2) Full HD (1920×1080) video support may vary based upon host device, file attributes, and other factors.
  • Up to 120MB/s transfer speeds let you move up to 1000 photos in a minute (5). Up to 120MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speeds lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. (5)Based on internal testing on images with an average file size of 3.55MB (up to 3.7GB total) with USB 3.0 reader. Your results will vary based on host device, file attributes, and other factors.
  • Load apps faster with A1-rated performance (1). (1) A1 performance is 1500 read IOPS, 500 write IOPS. Based on internal testing. Results may vary based on host device, app type and other factors.
SaleBest Choice No. 4
SanDisk 256GB Extreme PRO SDXC UHS-I Card – C10, U3, V30, 4K UHD, SD Card – SDSDXXY-256G-GN4IN
  • Shot speeds up to 90MB/s, transfer speeds up to 170MB/s [requires a compatible device capable of reaching such speeds, such as the SanDisk SD UHS-I card reader (sold separately)]. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. X = 150KB/sec
  • Perfect for shooting 4K UHD video(1) and sequential burst mode photography (1)Full HD (1920×1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors
  • Capture uninterrupted video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)(2). (2)UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices
  • Built for and tested in harsh conditions(3): Temperature-proof, waterproof, shock-proof, and X-ray-proof (3)Card only
  • Lifetime limited manufacturer warranty (30-year warranty in Germany, Canada and regions not recognizing lifetime warranty. See official SanDisk website for more details regarding warranty in your region.)
SaleBest Choice No. 5
SanDisk 32GB Ultra SDHC UHS-I Memory Card – 120MB/s, C10, U1, Full HD, SD Card – SDSDUN4-032G-GN6IN
  • Great choice for compact to mid-range point-and-shoot cameras
  • Quick transfer speeds up to 120MB/s(1) to backup those moments; (1)(For 32GB-256GB): Up to 120MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speed lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.
  • Up to 32GB to store tons of pictures and even more Full HD video(2); 1GB=1,000,000,000 bytes. Actual user storage less. (2)Full HD (1920×1080) video support may vary based upon host device, file attributes, and other factors. Visit the SanDisk Video Knowledge Base for more information.
  • Exceptional video recording performance with UHS Speed Class 1 (U1)(5) and Class 10 rating for Full HD video (1080p)(2); (5)UHS Speed Class 1 (U1) designates a performance option designed to support real time video recording with UHS enabled host devices.
  • Compatible Devices : SDHC, SDXC, SDHC-I, and SDXC-I UHS-I enabled devices
SaleBest Choice No. 6
SanDisk 128GB Ultra SDXC UHS-I Memory Card – 100MB/s, C10, U1, Full HD, SD Card – SDSDUNR-128G-GN6IN
  • Fast for better pictures and Full HD video. Full HD (1920×1080) video support may vary based upon host device, file attributes, and other factors
  • Great choice for compact to mid-range point-and-shoot cameras
  • From 32GB to 256GB(1) to store tons of pictures and even more Full HD video(2). (1)1GB=1,000,000,000 bytes Actual user storage less
  • Exceptional video recording performance with UHS Speed Class 1 (U1)(5) and Class 10 rating for Full HD video (1080p)(2). (5)UHS Speed Class 1 (U1) designates a performance option to support real time video recording with UHS enabled host devices
  • Quick transfer speeds up to 100MB/s. Up to 100MB/s[64GB-256GB; 90MB/s for 32GB] read speed; write speed lower Based on internal testing; performance may be lower depending on host device, usage conditions, and other factors 1MB=1,000,000 bytes
Best Choice No. 7
Micro Center 32GB Class 10 Micro SDHC Flash Memory Card with Adapter for Mobile Device Storage Phone, Tablet, Drone & Full HD Video Recording – 80MB/s UHS-I, C10, U1 (2 Pack)
  • 2-Pack microSDHC Card. 32GB micro sd card includes an SD adapter that is suitable for both microSDHC and SDHC enabled host devices including smartphones, tablets, game consoles, digital cameras, desktops, laptops, etc.
  • Fast Read Write Speed Flash Memory Card. Read speed: up to 80MB/s, Write speed: up to 15MB/s. These speeds allow quick music, photo, video, document and file transfer or storage
  • Rates UHS Speed Class 1(U1) and Speed Class 10 (C10). An UHS memory card ensures even and sustained video recording performance for full HD videos, work with a drone, video camera, action camera, or trail cam
  • 3-Year Limited Warranty. High Durability with Waterproof, Shockproof, Temperature proof and X-ray proof. Rugged construction helps resist damage and keeps data secure in your dashcam, CCTV, surveillance system or security cam
  • microSDHC Supported Devices Required. This microSDHC is not backwards compatible and legacy devices may not be supported. Consult your device specifications or look for the microSDHC/microSHXC logo on your host devices for compatibility
Best Choice No. 8
256GB Micro Card with Adapter (Class 10 High Speed) Memory Cards for Camera, TF Memory Card for Phone Computer Game Console, Dash Cam, CaHZorder, GPS, Surveillance, Drone
  • 【Micro SD card with SD card adapter】This micro sd card 256GB comes with SD card adapter, you can put the micro sd card into the adapter, and then you can use it on any SD card interface.
  • 【Stable and never worry about data loss】 Micro sd card 256GB includes SD adapter, 256GB SD Card is made of high-quality chips, providing reliable performance, making it ideal for write-intensive applications and ensuring clear recording Evidence HD without dropped frames.
  • 【Protection】 In order to provide the best performance and stability, the MORIC SD Card 256GB memory card for camera has been tested and can withstand extreme conditions. They are resistant to high temperature, waterproof, shockproof, X-ray and anti-static.
  • 【Fast reading rate and large capacity】SD Card 256GB fast reading rate, can be viewed and transferred instantly, the maximum capacity of 256GB TF card is 256GB, there is enough space to store thousands of snapshots and hours of full HD Video, which saves you from worrying about insufficient storage space.
  • 【1-year warranty】Customer satisfaction is the greatest motivation to pursue higher quality. We always strive to provide the best products and services to our valuable customers, and we have an industry-leading one-year warranty.
SaleBest Choice No. 9
Memory Card 512GB Memory Card Fast Speed TF Card with Free Free Card for Nintendo-Switch Adapter Compatible with Android Smartphones,Camera,Tablets and Other Compatible Devices (512GB)…
  • ❤[Apply to]:Ideal for Android smartphone, tablet, drone, dash camera, camcorder, high-res photos, gaming, music, DSLR’s, driving recorder, digital SLR camera, surveillance camera, sport camera, Bluetooth speaker, VR, computer and laptop.
  • ❤[Description]:1GB=1,000,000,000 bytes. Due to different capacity algorithms and partial capacity are used for system files, management and performance optimization, so the actual available capacity may be less than the identifying capacity.
  • ❤[High-speed]: Memory card class 10 high speed. (performance may vary based on host device, interface, usage conditions, and other factors)
  • ❤[Reliable & Durable]: Shockproof, temperature-proof, waterproof and X-ray-proof.
  • ❤[Warranty and service]:The product provides a two-year warranty. If you encounter any product-related problems during the use of the product, please contact us directly through Amazon.
Best Choice No. 10
SanDisk Ultra 64GB (10 Pack) Class 10 80MBps SD Memory Card SDHC UHS-I SDSDUNC-064G-GN6IN (Renewed)
  • BUNDLE OF 10 SD CARDS, 16GB EACH IN RETAIL PACKAGING
  • Read Speed: up to 80 MBps
  • Flash Memory Type: SDHC
  • Video Speed: Class 10
  • Compatibility: Compatible with SDHC/SDXC and SDHC-I/SDXC-I devices

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